I used to stress over Atlanta traffic until I lived in that area for a number of years. You eventually get used to it, but I still remember the first few trips through. It isn't as bad as you think it is or that was my experience anyway.
Have a great trip.
2006 GMC 2500HD CCSB 4x4 Duramax/Allison, Titan 52 gallon fuel tank, Prodigy Controller, B&W Companion Hitch
2010 Jayco Designer 35RLTS, Cummins/Onan RV QG 5500 EVAP, Progressive Industries EMS-PT50C, TST Systems 507 TPMS, RV Flex Armor Roof